package day05;

//先定义接口，再写类
public interface EasyList {
	
	
	
	public void add(Object o);
	
	public void add(int index, Object o);
	
	public boolean remove(Object o);
	
	public void remove(int index);
	
	public void update(int index, Object o);
	
	public Object get(int index);
	
	public int getSize();
	
	public void rangeCheck(int index);
	
	public void grow(int index);
	
	public void clear();
}
